There can be as many causes for a GPF as there are lines of code in a program. Some common causes include. Generic Remove all generated files and do a full recompile: CLW, INC, OBJ, RSC, EXP, LIB, MAP, EXE, DLL. Compile with full debug information. Enable project options runtime checks: Index out…

Hunting down nasty GPF's

gpf

Bruce February 26, 2020, 7:01am 2

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Use of ASSERT statements in procedures with a CriticalProcedure can lead to programs hanging code

I had occasion to run across an old bug (reported in 2013) in the ABC library which hasn’t been fixed yet, but which can be fixed by users. I’ve posted the details here, and also in the Clarion10 newsgroup. Synopsis: The use of ASSERT’s in procedures with a CRITICALSECTION can lead to a race condition, which in turn causes the RTL to hang. Conditions: The problem only occurs when the program is in Debugmode. The problem probably only occurs if ASSERTHOOK has been used, but I cannot confirm t…

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